diff -r 000000000000 -r 6474c204b198 layout/xul/grid/nsGridRowLeafLayout.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/layout/xul/grid/nsGridRowLeafLayout.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,62 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/**
+ 
+  Author:
+  Eric D Vaughan
+
+**/
+
+#ifndef nsGridRowLeafLayout_h___
+#define nsGridRowLeafLayout_h___
+
+#include "mozilla/Attributes.h"
+#include "nsGridRowLayout.h"
+#include "nsCOMPtr.h"
+
+/**
+ * The nsBoxLayout implementation for nsGridRowLeafFrame.
+ */
+// XXXldb This needs a better name that indicates that it's for any grid
+// row.
+class nsGridRowLeafLayout : public nsGridRowLayout
+{
+public:
+
+  friend already_AddRefed<nsBoxLayout> NS_NewGridRowLeafLayout();
+
+  virtual nsSize GetPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
+  virtual nsSize GetMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
+  virtual nsSize GetMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
+  virtual void ChildAddedOrRemoved(nsIFrame* aBox, nsBoxLayoutState& aState) MOZ_OVERRIDE;
+  NS_IMETHOD Layout(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState) MOZ_OVERRIDE;
+  virtual void CountRowsColumns(nsIFrame* aBox, int32_t& aRowCount, int32_t& aComputedColumnCount) MOZ_OVERRIDE;
+  virtual void DirtyRows(nsIFrame* aBox, nsBoxLayoutState& aState) MOZ_OVERRIDE;
+  virtual int32_t BuildRows(nsIFrame* aBox, nsGridRow* aRows) MOZ_OVERRIDE;
+  virtual Type GetType() MOZ_OVERRIDE { return eRowLeaf; }
+
+protected:
+
+  virtual void PopulateBoxSizes(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState,
+                                nsBoxSize*& aBoxSizes, nscoord& aMinSize,
+                                nscoord& aMaxSize, int32_t& aFlexes) MOZ_OVERRIDE;
+  virtual void ComputeChildSizes(nsIFrame* aBox,
+                                 nsBoxLayoutState& aState,
+                                 nscoord& aGivenSize,
+                                 nsBoxSize* aBoxSizes,
+                                 nsComputedBoxSize*& aComputedBoxSizes) MOZ_OVERRIDE;
+
+
+  nsGridRowLeafLayout();
+  virtual ~nsGridRowLeafLayout();
+  //virtual void AddBorderAndPadding(nsIFrame* aBox, nsSize& aSize);
+
+private:
+
+}; // class nsGridRowLeafLayout
+
+#endif
+